.. those settings have no affect in gecko 1.8 nor will they change how websites supporting html5 will render.
if it works in video websites that require html5, that's just because the website has detected no videotag support and playing either in flash or parsing through java container

Quotedisrupted
.. those settings have no affect in gecko 1.8 nor will they change how websites supporting html5 will render.
if it works in video websites that require html5, that's just because the website has detected no videotag support and playing either in flash or parsing through java container